diff options
Diffstat (limited to 'libguile/frames.c')
-rw-r--r-- | libguile/frames.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libguile/frames.c b/libguile/frames.c index 6096824c7..105b15455 100644 --- a/libguile/frames.c +++ b/libguile/frames.c @@ -171,6 +171,27 @@ SCM_DEFINE (scm_frame_arguments, "frame-arguments", 1, 0, 0, } #undef FUNC_NAME +static SCM frame_call_representation_var; + +static void +init_frame_call_representation_var (void) +{ + frame_call_representation_var + = scm_c_private_lookup ("system vm frame", "frame-call-representation"); +} + +SCM scm_frame_call_representation (SCM frame) +#define FUNC_NAME "frame-call-representation" +{ + static scm_i_pthread_once_t once = SCM_I_PTHREAD_ONCE_INIT; + scm_i_pthread_once (&once, init_frame_call_representation_var); + + SCM_VALIDATE_VM_FRAME (1, frame); + + return scm_call_1 (scm_variable_ref (frame_call_representation_var), frame); +} +#undef FUNC_NAME + SCM_DEFINE (scm_frame_source, "frame-source", 1, 0, 0, (SCM frame), "") |